Complete os espaços com os números da tabela, de forma que a soma dos valores em todos os círculos seja zero.

What is the last question i don’t see it?

6hope this ! ! ’

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!